.demo_box{
    border: 1px solid #ccc;
    padding: 20px;
    border-radius: 6px;
    margin: 20px;
}
.ipt{
    margin-left: 20px;
    width: 150px;
    height: 30px;
    border: 1px solid #27baf8;
    border-radius: 4px;
    outline: none;
}